(function(){
var sn  = document.getElementById("sideNavi").getElementsByTagName("a");
var url = location.href.split("#")[0].split("?")[0];
for(var i=0; i<sn.length; i++){
	if( url.indexOf(sn[i].href)>=0 || sn[i].href.split(url)[1]==="index.html" ){
		sn[i].style.cursor = "default";
		sn[i].onclick = function(){return false};
		sn[i].childNodes[0].src = sn[i].childNodes[0].src.replace("_n.","_o.");
		var elm = sn[i].parentNode;
		while(elm.id!=="sideNavi"){
			if(elm.tagName.toLowerCase()==="li"){
				elm.className = "active"
			}
			elm = elm.parentNode;
		}
	}else{
		var img = sn[i].childNodes[0];
		img.nImage = {};
		img.hImage = new Image();
		img.nImage.src = img.src;
		img.hImage.src = img.src.replace("_n.","_o.");
		img.onmouseover = function(){this.src = this.hImage.src};
		img.onmouseout  = function(){this.src = this.nImage.src};
	}	
}
})();